Ключевые слова: art, auto, automobile, background, battery, bio, cable, car, charge, charging, color, colorful, contour, eco, ecology, electric, electricity, energy, engine, environment, flat, fuel, green, hybrid, icon, illustration, indicator, isolated, leaf, level, line, linear, mechanic, motor, outline, parking, plug, pop, popart, power, set, smart, station, technology, transparent, transportation, vehicle,